Mark McGwire, St. Louis Cardinals during the home run record breaking season in 1998 in a game agaainst the New York Mets Stock Photo - Alamy

St. Louis Cardinals Mark McGwire is greeted by a collection of fists as he steps into the dugout after hitting his 64th home run of the season off the Chicago Cubs starting

2,119 Mark Mcgwire 1998 Stock Photos, High-Res Pictures, and Images - Getty Images

Cardinals @ Mets 8/20/98 (McGwire #50; Game One of Double Header)

Mark McGwire, St. Louis Cardinals 50th home run during the record breaking season in 1998 in a game agaainst the New York Mets Stock Photo - Alamy

Mark mcgwire home run hi-res stock photography and images - Alamy

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St louis cardinals mark mcgwire hi-res stock photography and images - Alamy

Mark McGwire's, St. Louis Cardinals bat during the home run record breaking season in 1998 in a game agaainst the New York Mets Stock Photo - Alamy

Mark McGwire, St. Louis Cardinals during the home run record breaking season in 1998 in a game agaainst the New York Mets Stock Photo - Alamy

Mark mcgwire st louis cardinals hi-res stock photography and images - Alamy